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6806-2RS Hybrid Ceramic Bearing 30x42x7mm Sealed
6806-2RS Hybrid Ceramic Bearing 30x42x7mm Sealed
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6806-2RS Hybrid Ceramic Sealed Ball Bearing
✔️ 30mm ID - 42mm OD - 7mm Wide
The 6806-2RS is a high-performance hybrid ceramic ball bearing built with ZrO₂ ceramic balls and chrome steel races. Featuring C3 clearance, double rubber seals, and electric motor-grade quality, it's ideal for high-speed, low-friction applications like e-bikes, motors, precision tools, and demanding industrial systems.
✅ Type: Deep groove radial ball bearing (hybrid ceramic)
✅ Inside diameter: 30mm
✅ Outside diameter: 42mm
✅ Width: 7mm
✅ Balls: Zirconia ceramic (ZrO₂)
✅ Races: Chrome steel
✅ Radial clearance: C3
✅ Closures: Double rubber seals (2RS)
✅ Lubrication: Pre-lubricated with grease
✅ Quality: Electric motor-grade
✅ Quantity: 1 bearing
✅ Equivalents: 61806-2RS1, 61806RS1
✅ Category: Hybrid ceramic bearings
6806-2RS Hybrid Ceramic Sealed Ball Bearing vs. 6806-2RS Chrome Steel Sealed Ball Bearing
| Feature | Hybrid Ceramic 6806-2RS | Chrome Steel 6806-2RS |
|---|---|---|
| Inner Diameter (ID) | 30 mm | 30 mm |
| Outer Diameter (OD) | 42 mm | 42 mm |
| Width | 7 mm | 7 mm |
| Material - Races | Chrome Steel | Chrome Steel |
| Material - Balls | Zirconia Ceramic (ZrO₂) | Chrome Steel |
| Seals | Double Rubber Seals (2RS) | Double Rubber Seals (2RS) |
| Lubrication | Pre-lubricated with grease | Pre-lubricated with grease |
| Speed Rating | Higher than standard steel (low friction) | Standard speed rating |
| Wear Resistance | Excellent - low wear due to ceramic balls | Good - more wear over time |
| Heat Resistance | Higher - better for high-speed applications | Lower - limited by grease and steel balls |
| Corrosion Resistance | Better due to ceramic balls | Moderate - depends on environment |
| Noise/Vibration | Lower - smooth and quiet operation | Higher - more susceptible to noise |
| Weight | Slightly lighter (due to ceramic balls) | Heavier |
| Cost | Higher | Lower |
| Use Case | High-performance, electric motors, racing | General industrial and mechanical use |
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